Wheel vibration

JGreenwood07 · 09-18-2012, 02:35 PM

I have a set of Avante Garde M310s on the Z and recently noticed some pretty significant vibration in the steering wheel around 40 mph. It happens sporadically, sometimes it is perfectly fine at 40 and sometimes it vibrates. The vibration also varies from slight to significant.

I have driven down specific roads and it almost seems like it happens in the same spots weirdly enough.

I am checking to see if it could be a hub centric ring issue, but also wondered if it could be the tie rod bushings or control arms? The car only has 9k miles on it and is not my daily driver. The only suspension mods include Swift springs which were installed about a year and half ago, and the car is not driven hard.

The wheels/tires were balanced about 6 months ago. My only other thought was flat spotting, but the vibration only happens at certain speeds and the car doesn't sit for more than a few days without being taken for a drive.

Thanks for any help.

370Z Purist · 09-18-2012, 03:32 PM

Sounds like a botched balancing job. It doesn't have to occur at all speeds, after all. You might be hitting that resonance frequency with the wheels at that specific speed.

GetYourWheels · 09-18-2012, 04:27 PM

Quote:

Originally Posted by JGreenwood07

I have a set of Avante Garde M310s on the Z and recently noticed some pretty significant vibration in the steering wheel around 40 mph. It happens sporadically, sometimes it is perfectly fine at 40 and sometimes it vibrates. The vibration also varies from slight to significant.

I have driven down specific roads and it almost seems like it happens in the same spots weirdly enough.

I am checking to see if it could be a hub centric ring issue, but also wondered if it could be the tie rod bushings or control arms? The car only has 9k miles on it and is not my daily driver. The only suspension mods include Swift springs which were installed about a year and half ago, and the car is not driven hard.

The wheels/tires were balanced about 6 months ago. My only other thought was flat spotting, but the vibration only happens at certain speeds and the car doesn't sit for more than a few days without being taken for a drive.

Thanks for any help.

The 19x9.5 19x11 setup on the z is hub centric so it can not be a hubring issue.

Trips · 09-18-2012, 04:51 PM

Just throwing this out there

But have you re-torqued your lugs?

FairladyZ · 09-18-2012, 04:55 PM

id say mounting and balancing is jacked

Waiz · 09-18-2012, 08:21 PM

Sounds like textbook symptoms of a bent wheel

JGreenwood07 · 09-19-2012, 12:30 AM

Quote:

Originally Posted by Triple's

Just throwing this out there

But have you re-torqued your lugs?

I haven't, but, I had some new rotors put on and had them hand-tighten the lugs so they wouldn't scratch the wheels when they were put back on. I may have them re-tightened.

I doubt it is a bent wheel, this has only happened fairly recently and I haven't hit anything that would cause the wheel to become damaged. Will a visual inspection of the wheel tell me if it is bent? Looked tonight and everything seems to be good.

The weird thing is that it seems to be sporadic. Only happens around 40 mph, but doesn't happen all the time.

Thanks again for all the advice.

09-18-2012, 02:35 PM	#1 (permalink)
JGreenwood07 Base Member Join Date: Apr 2010 Location: Houston, TX Posts: 137 Drives: '10 Z Sprt/Tour/Nav Rep Power: 15	Wheel vibration I have a set of Avante Garde M310s on the Z and recently noticed some pretty significant vibration in the steering wheel around 40 mph. It happens sporadically, sometimes it is perfectly fine at 40 and sometimes it vibrates. The vibration also varies from slight to significant. I have driven down specific roads and it almost seems like it happens in the same spots weirdly enough. I am checking to see if it could be a hub centric ring issue, but also wondered if it could be the tie rod bushings or control arms? The car only has 9k miles on it and is not my daily driver. The only suspension mods include Swift springs which were installed about a year and half ago, and the car is not driven hard. The wheels/tires were balanced about 6 months ago. My only other thought was flat spotting, but the vibration only happens at certain speeds and the car doesn't sit for more than a few days without being taken for a drive. Thanks for any help.

09-18-2012, 03:32 PM	#2 (permalink)
370Z Purist A True Z Fanatic Join Date: Jun 2009 Location: Zion, Illinois Posts: 1,873 Drives: '09 370Z-T BS M6 Rep Power: 19	Sounds like a botched balancing job. It doesn't have to occur at all speeds, after all. You might be hitting that resonance frequency with the wheels at that specific speed. __________________ -Phil "Since one of my brake light bulbs just went out, the forum told me that my piston rings are about to blow."

09-18-2012, 04:51 PM	#4 (permalink)
Trips Administrator Join Date: May 2009 Location: Disneyland, Ca Posts: 8,730 Drives: 🔰 Rep Power: 10	Just throwing this out there But have you re-torqued your lugs? __________________ Last edited by Trips; 09-18-2012 at 04:53 PM.

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09-18-2012, 04:55 PM	#5 (permalink)
FairladyZ Track Member Join Date: Jan 2009 Location: Los Angeles Posts: 850 Drives: 2012 370Z TRNG SPRT Rep Power: 17	id say mounting and balancing is jacked

09-18-2012, 08:21 PM	#6 (permalink)
Waiz A True Z Fanatic Join Date: Apr 2010 Location: SoCal Posts: 9,262 Drives: Z33 & GE8 Rep Power: 459	Sounds like textbook symptoms of a bent wheel